Cita APA (7th ed.)
Whitten, J. L., Bentley, L. D., & Dittman, K. C. (2004). Systems analysis and design methods (6th ed.). McGraw-Hill Irwin.
Cita Chicago (17th ed.)
Whitten, Jeffrey L., Lonnie D. Bentley, i Kevin C. Dittman. Systems Analysis and Design Methods. 6th ed. Boston: McGraw-Hill Irwin, 2004.
Cita MLA (9th ed.)
Whitten, Jeffrey L., et al. Systems Analysis and Design Methods. 6th ed. McGraw-Hill Irwin, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.